so sánh 2020.2021-1/2020.2021 và 2021.2022-1/2021.2022
2 câu trả lời
2020.2021-12020.2021=2020.20212020.2021-12020.2021=1-12020.2021
2021.2022-12021.2022=2021.20222021.2022-12021.2022=1-12021.2022
Có:
12020.2021>12021.2022
⇒1-12020.2021<1-12021.2022
⇒2020.2021-12020.2021<2021.2022-12021.2022
Vậy 2020.2021-12020.2021<2021.2022-12021.2022
Đáp án
2020.2021-1/2020.2021= 2021-1/2020=2020.999505
2021.2022-1/2021.2022=2022-1/2021=2021.999505
vì 2020.999505<2021.999505
=> 2020.2021-1/2020.2021 < 2021.2022-1/2021.2022
Câu hỏi trong lớp
Xem thêm